Energy use for electricity,
propane and gasoline are all expressed in kilowatt hours so that they can be
compared easily. If you want to convert to the usual gallons: 1 gallon of
gasoline = 36.6 KWH, and 1 gallon of propane = 27.0 KWH. And, if you want to
convert to BTUs, there are 3412 BTU per KWH.

We have supplied the labor to do a
number of the projects, so the dollars spent are lower because of this.